#include<bits/stdc++.h>
using namespace std;
int n,z[100314],maxn = INT_MIN;
int main() {
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i = 1; i <= n; ++ i) {
            int x;
            scanf("%d",&x);
            z[x]++;
            maxn = max(maxn,z[x]);
     }
     cout << maxn;
    return 0;
}
